Internal Medicine

In an effort to improve the lives of animals and people Animal Samaritans now offers Internal Medicine. From diabetes to ultrasounds, autoimmune to gastrointestinal disorders, from Addison’s to Cushing’s, Animal Samaritans has you and your pet covered.

For more information you can call 760-332-5029 or email internalmed@animalsamaritans.org

To make an Internal Medicine appointment please call 760-332-5029

Comprehensive Internal Medicine for Dogs & Cats

From autoimmune disorders and endocrine conditions to gastrointestinal and metabolic diseases, internal medicine encompasses many of the most complex health issues pets face. At Animal Samaritans we now offer a full-service veterinary internal medicine practice for dogs and cats. Our specialists treat conditions such as:

  • Auto-immune disorder treatment for dogs and cats

  • Ultrasounds for dogs and cats

  • Diabetes treatment for dogs and cats

  • Addison’s disease for animals and Cushing’s disease for animals

  • Gastrointestinal treatment for dogs and cats

With expert diagnostics and individualized care plans, we help pets navigate chronic, multi-system, or hard-to-diagnose illnesses.

Why Choose Specialist Internal Medicine for Your Pet

When routine care isn’t enough, a specialist in internal medicine can make the difference. Our internal medicine department provides:

  • Advanced imaging and diagnostic testing (ultrasound, advanced labwork)

  • Treatment plans coordinated by board-certified internal medicine veterinarians

  • Management of complex illnesses like diabetes, thyroid disorders, renal disease and more

  • Personalized chronic disease monitoring and long-term care

By focusing on your dog or cat’s whole-body health, we strive to maximize both lifespan and quality of life—especially for pets facing multiple health challenges.

Internal Medicine Conditions We Treat

Our team diagnoses and treats a comprehensive range of dog and cat internal medicine conditions, including:

Respiratory & Immune Conditions
• Asthma
• Auto-immune disorders
• Immune-mediated hemolytic anemia (IMHA)
• Immune-mediated thrombocytopenia (IMTP)
• Anemia (immune-mediated or bone-marrow related)
• Clotting disorders

Gastrointestinal & Liver Disorders
• Chronic vomiting & diarrhea
• Inflammatory bowel disease (IBD)
• Pancreatitis
• Gastrointestinal diseases requiring advanced imaging
• Liver disease

Kidney, Endocrine & Metabolic Conditions
• Kidney disease
• Diabetes (all forms)
• Hyperthyroidism
• Hypothyroidism
• Addison’s disease
• Cushing’s disease
• Insulinoma or other hormone-secreting tumors
• Other metabolic or endocrine disorders

Infectious Diseases
• Fungal infections
• Tick-borne diseases
• Other infectious diseases affecting dogs and cats

Meet Dr. Deborah Greco, DVM, PHD, DACVIM

After receiving her DVM from the University of California, Davis and a PhD in Veterinary Pharmacology from Texas A&M University, Dr. Greco became a diplomate of the American College of Veterinary Internal Medicine before joining the faculty of Colorado State University where she taught veterinary internal medicine for twelve years; in 2002 she was promoted to full professor. Dr. Greco then moved to NYC and practiced at the Animal Medical Center for several years before joining Nestlé PURINA in the Global Nutrition and Scientific Communications team. She provided scientific support to global markets and has expertise in the communication of veterinary internal medicine and nutritional information to technical audiences such as veterinarians, breeders and veterinary technicians before retiring in 2022.

She has been the Editor-In-Chief of a veterinary journal and has authored several books and over 200 scientific articles and book chapters. Dr. Greco is considered an authority in the area of small animal endocrinology and feline medicine; in fact, she was awarded the 1996 Pfizer award for research excellence and the 1998 American Association of Feline Practitioners research award for her work on dietary treatment of feline diabetes mellitus. Dr. Greco has served as President of the Society for Comparative Endocrinology (1990-1998), as Program Chairman for ACVIM (1995-1997), Board member of the Western Veterinary Conference (2013-2016) and Editor in Chief of Topics in Companion Animal Medicine (2000-2018).

What Veterinary Internal Medicine Provides

  • Auto-immune disorder treatment for dogs and cats

  • Endoscopy for dogs and cats

  • Diabetes treatment for dogs and cats

  • Addison’s Disease

  • Cushing’s Disease

  • Gastrointestinal treatment for dogs and cats

At Animal Samaritans, advanced medicine meets compassionate care. In the video below, Dr. Deborah Greco, performs a complex surgery using our new state-of-the-art imaging equipment - giving our patients the highest level of precision and safety possible. This technology helps us diagnose and treat illnesses faster, minimize recovery times, and provide even better outcomes for pets in need.